Growing community of inventors

CA

Roger Spitzig

Average Co-Inventor Count = 2.75

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 145

Roger SpitzigMichael G Boston (5 patents)Roger SpitzigDavid Rawlings (4 patents)Roger SpitzigWalter S Conard (3 patents)Roger SpitzigBob Richards (3 patents)Roger SpitzigMark Gerard Paul (2 patents)Roger SpitzigLeondo R Phifer (2 patents)Roger SpitzigRobert M Richards (1 patent)Roger SpitzigMark Woolston (1 patent)Roger SpitzigMichael J McIntee (1 patent)Roger SpitzigMarvin L Isles (1 patent)Roger SpitzigRoger Spitzig (8 patents)Michael G BostonMichael G Boston (6 patents)David RawlingsDavid Rawlings (4 patents)Walter S ConardWalter S Conard (24 patents)Bob RichardsBob Richards (3 patents)Mark Gerard PaulMark Gerard Paul (7 patents)Leondo R PhiferLeondo R Phifer (2 patents)Robert M RichardsRobert M Richards (4 patents)Mark WoolstonMark Woolston (4 patents)Michael J McInteeMichael J McIntee (3 patents)Marvin L IslesMarvin L Isles (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Bell & Howell, LLC (7 from 66 patents)

2. Bowe Bell + Howell Company (1 from 30 patents)


8 patents:

1. 8520888 - Apparatus, method and programmable product for identification of a document with feature analysis

2. 8477992 - Document processing system control using document feature analysis for identification

3. 8374398 - Linear image lift array for transported material

4. 8245933 - Method and system for applying a postal authority barcode on a document processing system

5. 8144936 - Camera based ink application verification

6. 8098884 - Verification system and method in a document processing environment

7. 8036422 - Verification system and method in a document processing environment

8. 7804979 - Feeder control system and method

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as of
12/7/2025
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